220323100331 has 4 divisors (see below), whose sum is σ = 231919053000. Its totient is φ = 208727147664.

The previous prime is 220323100321. The next prime is 220323100379. The reversal of 220323100331 is 133001323022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220323100331 - 2¹⁴ = 220323083947 is a prime.

It is a super-2 number, since 2×220323100331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220323100321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5797976306 + ... + 5797976343.

It is an arithmetic number, because the mean of its divisors is an integer number (57979763250).

Almost surely, 2^220323100331 is an apocalyptic number.

220323100331 is a deficient number, since it is larger than the sum of its proper divisors (11595952669).

220323100331 is a wasteful number, since it uses less digits than its factorization.

220323100331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11595952668.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 220323100331 its reverse (133001323022), we get a palindrome (353324423353).

The spelling of 220323100331 in words is "two hundred twenty billion, three hundred twenty-three million, one hundred thousand, three hundred thirty-one".